Greenbush, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Greenbush, a city in Roseau County, Minnesota.
Overnight
52°F
Mostly Cloudy
Mostly cloudy, with a low around 52. South wind 3 to 7 mph.
7-day forecast for Greenbush
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Mostly Cloudy | 3 to 7 mph S | 2% |
| Saturday | 67°F | Mostly Cloudy then Slight Chance Rain Showers | 2 to 13 mph WNW | 19% |
| Saturday Night | 44°F | Partly Cloudy | 7 to 13 mph NNE | 0% |
| Sunday | 63°F | Partly Sunny | 7 to 10 mph NE | 0% |
| Sunday Night | 38°F | Partly Cloudy | 5 to 9 mph E | 0% |
| Monday | 67°F | Sunny | 7 mph SE | 0% |
| Monday Night | 38°F | Mostly Clear | 6 to 9 mph SSE | 0% |
| Tuesday | 67°F | Sunny | 9 to 16 mph SSE | 0% |
| Tuesday Night | 43°F | Mostly Clear | 10 to 14 mph SSE | 1% |
| Wednesday | 68°F | Mostly Sunny | 15 to 20 mph SSE | 3% |
| Wednesday Night | 48°F | Partly Cloudy | 10 to 14 mph SSE | 10% |
| Thursday | 70°F | Partly Sunny | 10 to 15 mph SSE | 10% |
| Thursday Night | 51°F | Partly Cloudy | 12 mph SSE | 11% |
| Friday | 72°F | Mostly Sunny | 12 to 17 mph S | 8% |
Forecast source: National Weather Service (api.weather.gov) for Greenbush (48.701, -96.184). Updated through the day.
Growing snapshot for Greenbush
Last spring frost
May 6
First fall frost
Oct 3
Growing season
148 days
Hardiness zone
3b
More local growing data for Greenbush: nearby ZIP 56726 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Agassiz Refuge, Mn (31.2 mi from Greenbush). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.